Chemistry Paper 1 Required Practicals Quiz

What is the primary focus of this video?

• Required practicals for AQA Chemistry Paper 1

• Physics experiments

• Combined science practicals

• Biology fieldwork

In the salts required practical, what is the base used to react with hydrochloric acid?

• Magnesium

• Sodium hydroxide

• Calcium carbonate

• Copper oxide

What is the correct acid needed to make copper sulfate crystals?

• Hydrochloric acid

• Acetic acid

• Nitric acid

• Sulfuric acid

What is a key mistake to avoid when making copper sulfate crystals?

• Filtering the solution

• Using copper oxide

• Using sulfuric acid

• Evaporating all the liquid

What type of cup is used in exothermic and endothermic reaction experiments?

• Glass beaker

• Metal cup

• Plastic or polystyrene cup

• Ceramic mug

What is the purpose of insulating the polystyrene cup in the reaction experiment?

• To prevent chemical reactions

• To reduce heat transfer

• To increase the reaction rate

• To change the color of the solution

What is the independent variable in the exothermic reaction experiment?

• Length of magnesium

• Volume of acid

• Temperature of the room

• Concentration of acid

In a titration, what is the purpose of using phenolphthalein?

• To neutralize the acid

• To indicate the end point

• To measure temperature

• To act as a reactant

What is the role of the burette in a titration experiment?

• To filter the solution

• To dispense the acid

• To hold the alkali

• To measure temperature

What color change indicates the end point in a titration using phenolphthalein?

• Blue to green

• Yellow to red

• Pink to colorless

• Colorless to pink